Need tips to understand Relativistic Energy in Special Relativity
Dec 16, 2025 · As in classic mechanics, we will define kinetic energy as the work done by the net force in accelerating a particle from rest to some final velocity ##u_f##. Considering one dimension only, …
Learn About the Speed of Light and Galilean Relativity
Dec 22, 2015 · Taking special relativity into account, we can apply relativistic velocity addition to find that the two beams differ in speed by a factor times the speed of the water (n is the index of refraction), …
What is relativistic mass and why it is not used much?
Aug 9, 2015 · The concept of relativistic mass In special relativity, the expressions for the total energy and momentum of an object can be written as where and is the invariant mass (or rest mass) of the …
Learning about SR (for beginners) - Physics Forums
Apr 3, 2021 · The forum discussion centers on recommended books for learning Special Relativity (SR) for beginners. Key recommendations include "Spacetime Physics" by Edwin F. Taylor and John …
What Are the Best Books for Understanding Special Relativity?
Dec 28, 2009 · The forum discussion identifies several key texts for understanding Special Relativity (SR). Recommended books include "Spacetime Physics" by E. F. Taylor and J. A. Wheeler (2nd …
At what age is special relativity taught? • Physics Forums
Feb 11, 2025 · Special relativity, if it is taught at all, is usually in high school physics, which in the U.S. is typically taught in sophomore to senior year at times that vary since it is usually an elective.
Addition of Velocities (Velocity Composition) in Special Relativity
May 20, 2024 · The “Addition of Velocities” formula (more correctly, the “Composition of Velocities” formula) in Special Relativity v A C c = v A B c + v B C c 1 + v A B c v B C c is a non-intuitive result …
Learn Relativity Using the Bondi K-calculus - Physics Forums
Apr 10, 2017 · Although Special Relativity was formulated by Einstein (1905), and given a spacetime interpretation by Minkowski (1908) [which helped make special relativity more accessible and …
What Are Tensors and Why Are They Used in Relativity?
Jan 11, 2023 · If you try learning general relativity, and sometimes special relativity, on your own, you will undoubtedly run into tensors. This article will outline what tensors are and why they are so …
List of Special Relativity Paradoxes. - Physics Forums
Oct 22, 2012 · This discussion catalogs various paradoxes associated with Special Relativity, including the Ladder Paradox, Bug-Rivet Paradox, Cooling Paradox, Twin Paradox, Trouton-Noble Paradox, …